rt9229 ETC-unknow, rt9229 Datasheet - Page 4

• Manufacturer Part Number: rt9229
• Description: Advaced Dual Dual Linear Power Controller
• Manufacturer: ETC-unknow

UGATE2
PHASE2
RT9229
Function Block Diagram
www.richtek-ic.com.tw
4
GATE3
VOUT2
VSEN2
FB3
FB4
FB2
0.25V
VSEN2
2.5V
VCC
_
CONTROL
COMPEN-
SATION
_
_
4.3V
GATE
_
_
1.26V
1.26V
PWM2
COMP2
PWM
0.3V
INHIBIT
_
ERROR
AMP2
_
_
OC2
OC4
OSCILLATOR
_
_
VOLTAGE
LINEAR
UNDER
FAULT
200µA
SOFT-START
OC
OCSET2
& FAULT
LOGIC
LUV
SS
VCC
11µA
5V
110%
0V
FB1
115%
90%
DACOUT
ERROR
VSEN1
AMP1
_
COMPEN-
SATION
_
_
_
OC1
COMP1
_
PWM
200µA
_
OCSET1
PWM1
VID0
CONVERTER
VID1
INHIBIT
TTL D/A
(DAC)
CONTROL
VID2
LOGIC
GATE
RESET (POR)
UPPER
POWER-ON
DRIVE
LOWER
VID3
DRIVE
VCC
VID4
DS9229-03 July 2001
VCC
VCC
PGOOD
UGATE1
LGATE1
PGND
GND
PHASE1